Home / 982,940.78-1,356,501.94-553,248.74

Finding the Fourth Proportional to 982,940.78, 1,356,501.94 and 553,248.74

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Solution

The fourth proportional to 982,940.78, 1,356,501.94 and 553,248.74 is: 763,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,940.78 : 1,356,501.94 = 553,248.74 : x
  2. Step 2: Convert to fraction form
    982,940.78/1,356,501.94 = 553,248.74/x
  3. Step 3: Cross multiply
    982,940.78x = 1,356,501.94 × 553,248.74
  4. Step 4: Simplify right side
    982,940.78x = 750,482,989,112.56
  5. Step 5: Solve for x
    x = 750,482,989,112.56/982,940.78
  6. Step 6: Final answer
    x = 763,507.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.